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1.
The correct name for the N 3- ion is the:
Circle Answer
nitrate ion
nitric ion
nitride ion
nitrite ion |
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2.
Elements of Group 4A:
Circle Answer
generally form positive ions
generally form negative ion
do not commonly form ions
do not combine with other elements |
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3.
A cation is any atom or group of atoms with:
Circle Answer
a positive charge
no charge
a negative charge
more electrons than the corresponding atoms |
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4.
The cation Fe 3+ is formed when:
Circle Answer
an atom of iron loses two electrons
an atom of zinc loses two electrons
an atom of iron loses three electrons
an atom of iron gains three electrons |
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5.
The metals in Group 1A, 2A and 3A:
Circle Answer
gain electrons when they form ions
form ions with a charge found by subtracting 8 from the group number
all form ions with a 1+ charge
lose electrons when they form ions |
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6.
In naming a binary molecular compound, the number of atoms of each element in the molecule is indicated by:
Circle Answer
Roman numerals
superscripts
prefixes
suffixes |
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7.
An -ite or -ate ending on the name of a compound indicates that the compound:
Circle Answer
is a binary ionic compound
is a binary molecular compound
contains a polyatomic anion
contains a polyatomic cation |
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8.
The typical ionic charge of an ion formed by an element in Group 7A is ________.
Circle Answer
-1
-2
-3
+1 |
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9.
Acids are compounds that produce __________ ions when dissolved in water.
Circle Answer
hydroxide
hydrogen
sulfate
sulfite |
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10.
Which of the following is a nonmetal?
Circle Answer
iron
silver
oxygen
copper |
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11.
Which of the following is an anion?
Circle Answer
O 2-
Mg 2+
Al 3+
H |
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12.
Which atom is most likely to form an ion with a charge of 2+?
Circle Answer
O
Na
Al
Ca |
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13.
Atoms that have a positive or a negative charge are called ___________.
Circle Answer
anions
cations
ions
polyatomic |
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14.
A compound that produces hydroxide ions when dissolved in water is called a(n) ___________.
Circle Answer
acid
base
polyatomic anion
polyatomic cation
hydrochloric acid |
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15.
NaBr is called _______________.
Circle Answer
Nitrogen bromide
sodium bromide
sodium chloride
sodium bromine |
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16.
KF is called ______________.
Circle Answer
Potassium flourine
Potassium fluoride
Chlorine flouride
Calcium flouride |
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17.
A compound that is composed of two elements is called a(n)____________.
Circle Answer
anion
polyatomic anion
binary compound
cation |
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18.
In a polyatomic ion, the -ate ending indicates one ___________ oxygen than the -ite ending.
Circle Answer
less
more
negative
positive |
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19.
The formula for carbon monoxide is:
Circle Answer
SO
CO
CMO
KO |
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20.
What is the name for ZnOH?
Circle Answer
zinc oxygen hydrogen
zinc oxygen hydroxide
zinc hydroxide
lead hydroxide |